General
PromptBeginner5 minmarkdown
fUnexpected key(s) in SKILL.md frontmatter: {'
'.join(sorted(unexpected_keys))}.
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107,245 skills indexed with the new KISS metadata standard.
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General
PromptBeginner5 minmarkdown
fAllowed properties are: {'
'.join(sorted(ALLOWED_PROPERTIES))}
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General
PromptBeginner5 minmarkdown
return False
fInvalid YAML in frontmatter: {e}
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General
PromptBeginner5 minmarkdown
return False
(
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General
PromptBeginner5 minmarkdown
ALLOWED_PROPERTIES = {'name'
'description'
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General
PromptBeginner5 minmarkdown
return False
Frontmatter must be a YAML dictionary
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General
PromptBeginner5 minmarkdown
return False
Invalid frontmatter format
0
General
PromptBeginner5 minmarkdown
if not isinstance(frontmatter
dict):
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General
PromptBeginner5 minmarkdown
return False
SKILL.md not found
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General
PromptBeginner5 minmarkdown
return False
No YAML frontmatter found
0
General
PromptBeginner5 minmarkdown
For skills where output quality depends on seeing examples
provide input/output pairs:
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General
PromptBeginner5 minmarkdown
Follow this style: type(scope): brief description
then detailed explanation.
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General
PromptBeginner5 minmarkdown
Here is a sensible default format
but use your best judgment:
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General
PromptBeginner5 minmarkdown
Use these patterns when skills need to produce consistent
high-quality output.
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General
PromptBeginner5 minmarkdown
When creating a new skill from scratch
always run the `init_skill.py` script:
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General
PromptBeginner5 minmarkdown
- **Use cases**: Templates
images
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General
PromptBeginner5 minmarkdown
Files not intended to be loaded into context
but rather used within the output Claude produces.
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General
PromptBeginner5 minmarkdown
- **Avoid duplication**: Information should live in either SKILL.md or references files
not both.
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General
PromptBeginner5 minmarkdown
- **Benefits**: Keeps SKILL.md lean
loaded only when Claude determines it's needed
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General
PromptBeginner5 minmarkdown
- **Best practice**: If files are large (>10k words)
include grep search patterns in SKILL.md
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Coding & Debugging
PromptBeginner5 minmarkdown
- **Use cases**: Database schemas
API documentation
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General
PromptBeginner5 minmarkdown
- **Frontmatter** (YAML): Contains `name` and `description` fields. These are the only fields that Claude reads to determine when the skill gets used
thus it is very important to be clear and comprehensive in describing what the skill is
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General
PromptBeginner5 minmarkdown
- **Examples**: `references/finance.md` for financial schemas
`references/mnda.md` for company NDA template
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General
PromptBeginner5 minmarkdown
- **Benefits**: Token efficient
deterministic
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